WeBWorK Standalone Renderer

Let $W = \lbrace 1,4,7,10,13\rbrace$ , $X = \lbrace 1,2,3,4,5\rbrace$

Determine $X-W$
A. $\lbrace 2,3,5\rbrace$
B. $\lbrace 7,10,13\rbrace$
C. $\lbrace\rbrace$
D. $\lbrace 1,4\rbrace$
E. $\lbrace 0,-2,-4,-6,-8\rbrace$

Determine $W-X$
A. $\lbrace 2,3,5$
B. $\lbrace 1,4\rbrace$
C. $\lbrace 7,10,13\rbrace$
D. $\lbrace\rbrace$
E. $\lbrace 0,2,4,6,8\rbrace$

You can earn partial credit on this problem.